Containerd 2.1 · Version Status

Containerd 2.1 End of Life Date

Containerd 2.1 end-of-life date, support status, and CVE risk. Data from endoflife.date and official vendor documentation.

Containerd 2.1 is past end of life. This version no longer receives security patches. 4 days past EOL — migrate to a supported version immediately.
EOL Date
May 5, 2026
4 days past EOL
Latest Release
2.1.7
Standard release
Release Date
May 7, 2025
Containerd 2.1 series
← Containerd 2.0 All Containerd versions Containerd 2.2 →
Recommended upgrade path
Containerd 2.3
Latest release: 2.3.0 · EOL: Apr 30, 2028
View full Containerd timeline →
All Containerd Versions
VersionLatestEOL DateStatus
1.0 1.0.3 Dec 5, 2018 EOL
1.1 1.1.8 Oct 23, 2019 EOL
1.2 1.2.14 Oct 15, 2020 EOL
1.3 1.3.10 Mar 4, 2021 EOL
1.4 1.4.13 Mar 3, 2022 EOL
1.5 1.5.18 Feb 28, 2023 EOL
1.6 LTS 1.6.39 Aug 23, 2025 EOL
1.7 LTS 1.7.31 Sep 1, 2026 Warning

What does Containerd 2.1 end of life mean?

When Containerd 2.1 reaches end of life, the maintainers stop issuing security patches for this version. CVEs discovered after the EOL date are publicly disclosed on the National Vulnerability Database with no patch available. Exploit code frequently appears on GitHub within days of disclosure.

The CVE blind spot: Most vulnerability scanners check for known CVEs but do not flag the ongoing accumulation of unpatched vulnerabilities in EOL software versions. Running Containerd 2.1 past its EOL date creates a permanently growing attack surface that standard security tooling will not surface.

Migrate to Containerd 2.3 or implement compensating controls — network segmentation, enhanced monitoring, restricted access — while migration is underway.

Frequently Asked Questions
When does Containerd 2.1 reach end of life?
Containerd 2.1 reached end of life on May 5, 2026. This version is no longer receiving security patches.
Is Containerd 2.1 still supported?
No. Containerd 2.1 reached end of life on May 5, 2026 and is no longer receiving security patches.
What should I upgrade to from Containerd 2.1?
The recommended upgrade from Containerd 2.1 is Containerd 2.3 — the latest actively supported version. Check the Containerd full timeline for all supported versions.
What are the security risks of running Containerd 2.1 past EOL?
When Containerd 2.1 reaches end of life, the maintainers stop issuing security patches. Any CVEs disclosed after the EOL date accumulate with no remediation path. Most vulnerability scanners do not flag this — it is the CVE blind spot. Organizations running EOL Containerd should migrate immediately or implement compensating controls.
Data from endoflife.date API · Generated at build time · How we source data →